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The ABB INSTALLATION PRODUCTS B225R-UPC is a 2-gang old work switch and outlet box designed for retrofit electrical installations in existing walls. Constructed from blue PVC, this box measures 3-5/16 inches wide by 3-1/8 inches tall by 2-3/4 inches deep and offers a 25 cubic inch interior capacity. It features 6 integral clamps for securing cables and 2 zip mount retainers for fast, secure mounting to drywall or plaster surfaces. Licensed electricians use this box when adding or replacing receptacles and switches without tearing into wall framing.
This box is built for old work or remodel applications where wall studs are not accessible for direct mounting. It is suited for residential and light commercial electrical work, including the installation of switches, duplex receptacles, and combination devices in finished walls. The plaster ears allow flush, stable positioning against wall surfaces. The 25 CUIN capacity supports most standard wiring configurations within NEC fill requirements.
Designed as an OEM-style replacement and standard fitment old work electrical box for 2-gang switch and outlet applications in residential and light commercial finished wall installations.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always de-energize the circuit at the breaker panel and verify absence of voltage with a meter before beginning work. Insert the box through the wall cutout, secure the zip mount retainers against the inside wall surface, and confirm the plaster ears sit flush before tightening. Do not exceed the rated cubic inch fill capacity when routing conductors and installing devices.
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